| Year | Value | | 2022 | 4,737,530 | | 2021 | 4,679,934 | | 2020 | 4,621,633 | | 2019 | 4,568,607 | | 2018 | 4,520,410 | | 2017 | 4,466,558 | | 2016 | 4,406,672 | | 2015 | 4,343,053 | | 2014 | 4,276,749 | | 2013 | 4,208,463 | | 2012 | 4,139,585 | | 2011 | 4,070,597 | | 2010 | 4,001,758 | | 2009 | 3,933,080 | | 2008 | 3,864,044 | | 2007 | 3,794,143 | | 2006 | 3,752,635 | | 2005 | 3,722,193 | | 2004 | 3,688,208 | | 2003 | 3,649,920 | | 2002 | 3,607,607 | | 2001 | 3,560,761 | | 2000 | 3,510,261 | | 1999 | 3,456,982 | | 1998 | 3,401,578 | | 1997 | 3,303,252 | | 1996 | 3,203,963 | | 1995 | 3,103,336 | | 1994 | 3,000,459 | | 1993 | 2,895,285 | | 1992 | 2,793,592 | | 1991 | 2,719,285 | | 1990 | 2,644,624 | | 1989 | 2,569,738 | | 1988 | 2,493,910 | | 1987 | 2,417,764 | | 1986 | 2,345,963 | | 1985 | 2,276,324 | | 1984 | 2,207,472 | | 1983 | 2,140,464 | | 1982 | 2,075,799 | | 1981 | 2,029,477 | | 1980 | 1,988,420 | | 1979 | 1,932,185 | | 1978 | 1,872,264 | | 1977 | 1,811,864 | | 1976 | 1,752,511 | | 1975 | 1,693,931 | | 1974 | 1,635,293 | | 1973 | 1,577,382 | | 1972 | 1,520,877 | | 1971 | 1,466,295 | | 1970 | 1,427,333 | | 1969 | 1,388,973 | | 1968 | 1,350,994 | | 1967 | 1,312,793 | | 1966 | 1,274,988 | | 1965 | 1,237,813 | | 1964 | 1,201,855 | | 1963 | 1,167,635 | | 1962 | 1,134,821 | | 1961 | 1,101,447 | | 1960 | 1,065,983 |
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